This is my output, nothing happens after that:
U-Boot 2017.11-armbian (Dec 15 2017 - 13:29:26 +0100)
CPU: Freescale i.MX6SOLO rev1.3 996 MHz (running at 792 MHz)
CPU: Commercial temperature grade (0C to 95C) at 32C
Reset cause: POR
Board: MX6 Hummingboard
DRAM: 512 MiB
MMC: FSL_SDHC: 0
*** Warning - bad CRC, using default environment
No panel detected: default to HDMI
Display: HDMI (1024x768)
In: serial
Out: serial
Err: serial
Net: FEC
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
Found U-Boot script /boot/boot.scr
1816 bytes read in 121 ms (14.6 KiB/s)
## Executing script at 12000000
0 bytes read in 78 ms (0 Bytes/s)
78 bytes read in 96 ms (0 Bytes/s)
37846 bytes read in 278 ms (132.8 KiB/s)
4333097 bytes read in 363 ms (11.4 MiB/s)
5236152 bytes read in 415 ms (12 MiB/s)
## Loading init Ramdisk from Legacy Image at 14800000 ...
Image Name: uInitrd
Image Type: ARM Linux RAMDisk Image (gzip compressed)
Data Size: 4333033 Bytes = 4.1 MiB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
## Flattened Device Tree blob at 18000000
Booting using the fdt blob at 0x18000000
Using Device Tree in place at 18000000, end 1800c3d5
Starting kernel ...
Uncompressing Linux... done, booting the kernel.